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f(x)=|x-2|,在点X=2出的导数为多少,还是不存在? 斯宾诺莎的“人有几分自决,便有几分自由.” 用美妙造句（越多越好）不可以说歌声还有和音乐有关的! 若曲线y=f(x)在x=x零处有切线,则导数f'(x零)等于零 存不存在 曲线在该点没有切线,则导数不存在吗 浙江属于哪个草坪生态区?其特点是什么? 结果?速求, 翻译：UP WHERE WE BELONG lindsey ray的where i belong 歌词翻译Where I BelongI love the way that you don't care that my hair is such a messWhen you're with meIt feels like nothing matters And we can be the we just who we areA clumsy little couple trading heartsAhhhhAll I We belong to the sea的歌词谁能给翻译一下?急求了,谢谢.We Belong to the Sea Take me to the ocean blue Let me dive right into Anything I'll ever capture You can wait up all night Waiting for wrong or right I always knew where I had you Yo 陈景润读后感 （）决定了社会文化产品.A自然环境 B生态环境 C地理环境 D社会环境 成都龙泉驿区的地理环境和社会环境最重要的是我想要知道成都龙泉的自然地理情况（气候、地形和河流是重点、、植被） 人文地理环境（当地特有人文风貌,概括性总结的,不要举列子的） 桃花谭水深千尺,不及汪伦送我情,这两句用的什么修辞手法? 汉字字型ci 砖的 ci是哪个?瓷 还是 汉字 字型 两类 由于操作失误,昨天向你请教的问题忘记保存了!provided 如何使用?while和since都有虽然的翻译,如何区别?as if 和as though 完全相同吗?It seemed ___the world was at an end .选项中既有as if 又有as though ,结果 帮忙做高中名词性状语从句的题1.All finished,we sat down to enjoy_____we thought the most delicious dinner.A.that B.which C.what D.whether2.The thought came to him_____he had no time to prepare for the interview.A.which B.because C.if D.t 桃花潭水深千尺中的“花”字是什么意思 桃花潭水深千尺中的千尺是什么意思? 桃花潭水深千尺中的深是什么意思/ 第一题能告诉我为什么 那样吗 我没学过排列组合 己知tanA /(1+tanA)=2(1)求tanA(2)求cosA/(sinA+4cosA)的值 几道高中的状语从句问题,请高手指点一下1、_____ you keep on, you'll succeed. Wish you success in the examinationA、whenB、no matter how hardC、so long asD、now that2、government cannot operate effectively ______ it is free from 汉字里有多少个笔画相同而字形不同的汉字?譬如“工”和“土”，笔画相同，但字形不同。 汉字的字形 问几道高中状语从句选择题……Nearly a month had gone by____they gave up the price for which they had held out.A.before B.so thatA.B为什么不行?Scientists are activelt searching for living things and sending messages into space_just__ I'm sorry for the things I've done 下册 那用student at are all bask the school连词成句咋写 想知道安宁的弟弟是谁上次看了安宁写的无人看到你的忧伤觉得挺感动的 thanks,you do这句是不是谢谢!你也一样的意思.我说了一句,try hard.能不能回答thanks,you dothanks，you so行不行